表达式21: "K" Subscript, 2 , Baseline equals "L" Subscript, 2 , Baseline plus sine theta Subscript, 2 , BaselineK2=L2+sinθ2
equals=
12.8 2 2 9 7 4 2 1 1 612.8229742116
21
表达式22: theta Subscript, 2 , Baseline equals 140 plus 45θ2=140+45
equals=
185185
22
Graphs
对学生隐藏该文件夹。
23
表达式24: "y" less than 25y<25
24
表达式25: polygon left parenthesis, "A" , "L" , "M" , right parenthesispolygonA,L,M
25
表达式26: polygon left parenthesis, "A" , "L" , "A" , "M" , "A" , "B" , "C" , right parenthesispolygonA,L,A,M,A,B,C
26
表达式27: left parenthesis, StartRoot, 2 , EndRoot "t" cos 45 , StartRoot, 2 , EndRoot sin 45 , right parenthesis2tcos45,2sin45
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
27
表达式28: left parenthesis, StartRoot, 2 , EndRoot cos 45 , StartRoot, 2 , EndRoot "t" sin 45 , right parenthesis2cos45,2tsin45
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
28
表达式29: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, "t" cos left parenthesis, theta Subscript, 2 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, "t" sin left parenthesis, theta Subscript, 2 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1+tcosθ2−1352,K2+tsinθ2−1352
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
11
定义域t最大值：
29
表达式30: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, "t" cos left parenthesis, theta Subscript, 2 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, "t" sin left parenthesis, theta Subscript, 2 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1+tcosθ2+1352,K2+tsinθ2+1352
00
定义域t最小值：
less than or equal to "t" less than or equal to≤t≤
